Hiroyuki was receiving his sister-in-law Yui's sudden visit. His wife went on a one-night, two-day trip with a friend, and he thought he could finally enjoy some alone time, but cruelly, the intercom rang, and Yui came into the house. Surprised, Hiroyuki was nonetheless charmed by Yui taking over all the household chores. Little did he know that Yui's true intention was to release her sexual desires... As Hiroyuki went to take a bath, Yui sent him off with a seductive smile and began undressing herself...
